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Layers of the Earth

how and why m...

Question

how and why magma rise to the surface of the earth ?

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Solution

Magma rises to the surface of the earth when it becomes less dense than the surrounding rock. This happens because less dense objects tend to rise.

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Q. Arrange the following events in the correct order of the process involved in the movement of tectonic plates. 1) The magma sinks back into the earth in circular motion. 2) The magma pushes the plates on the surface and is cooled down due to the temperature gradient. 3) The magma continues to follow the convection type of heat transfer 4) The hot magma rises to the upper surface of the asthenosphere.

Q. When magma rises to the Earth's surface, which process causes it to change state?

Q.  Arrange the following events in the correct order of the process involved in the movement of tectonic plates. 1) The magma sinks back into the earth in circular motion. 2) The magma pushes the plates on the surface and is cooled down due to the temperature gradient. 3) The magma continues to follow the convection type of heat transfer 4) The hot magma rises to the upper surface of the asthenosphere.

Q. Which among the following processes allows magma to change its state when it rises to the Earth's surface?

Q. rocks form when magma rises from the mantle but cools down and solidifies in the crust.

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